v3.26.1
Segment Reporting (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Net Sales $ 374.8 $ 391.8 $ 735.1 $ 770.0
Cost of sales 385.2 348.8 746.4 690.3
Other Selling, General and Administrative Expense 19.9 24.4 39.5 52.8
Other Depreciation and Amortization 23.2 23.5 46.6 45.0
Interest Expense, Net 5.1 3.9 10.0 7.3
Segment Reporting, Other Segment Item, Amount 3.8 (7.0) 3.6 3.8
Income Tax Expense (Benefit) (8.6) 1.9 (12.3) 0.1
Income (Loss) from Continuing Operations, Net of Tax (21.5) 3.6 (34.3) (2.3)
Labor and Overhead        
Segment Reporting [Line Items]        
Cost of sales 144.0 128.0 265.7 245.1
Supply Chain Costs        
Segment Reporting [Line Items]        
Cost of sales 44.1 39.0 83.7 75.3
Segment Reporting, Expense Information Used by CODM, Consolidated        
Segment Reporting [Line Items]        
Cost of sales 164.9 174.5 332.6 342.9
Foodservice        
Segment Reporting [Line Items]        
Net Sales 173.0 166.1 326.7 317.5
Folding Carton        
Segment Reporting [Line Items]        
Net Sales 132.5 147.6 257.3 296.0
Sheeting and Distribution        
Segment Reporting [Line Items]        
Net Sales 37.1 39.9 76.1 78.7
Other        
Segment Reporting [Line Items]        
Net Sales $ 32.2 $ 38.2 $ 74.9 $ 77.8